20 Years of Marine Water Quality Monitoring in Hong Kong

| Director's Message | Introduction | Background of the EPD's marine water quality monitoring programme | EPD's marine monitoring programme : water, sediment and phytoplankton | The development of the marine monitoring programme | Marine water and sediment analysis procedures and publication of results | Eastern Waters | Southern Waters | Central Waters | Western Waters | Typhoon Shelters | Red tides and phytoplankton | New developments | The future | Appendices | Acknowledgements | Disclaimer |


 
Appendices
 
Background information on the marine water quality monitoring programme
Summary of water quality monitoring data for the marine stations in the 10 WCZs in 2005
Levels of compliance with key Water Quality Objectives at marine stations in the 10 WCZs in 2005
Water quality trends for marine stations in the 10 WCZs (1986-2005)
Summary of marine sediment quality at marine stations in the 10 WCZs in Hong Kong (2001 - 2005)
Levels of different sediment parameters in sediments in Hong Kong (2001-2005)
Water and Sediment quality in typhoon shelters in Hong Kong in 2005
Phytoplankton monitoring
Overall

 


A.

Background information on the marine water quality monitoring programme
 

The Water Control Zones in Hong Kong (pdf)

The 76 water quality monitoring stations in the open waters of Hong Kong in 2005 (pdf)

The 45 sediment monitoring stations in the open waters of Hong Kong in 2005 (pdf)

The 18 water quality monitoring stations and 15 sediment monitoring stations in the typhoon shelters of Hong Kong in 2005 (pdf)

The locations of the marine water and sediment monitoring stations (Latitude and Longitude) (pdf)

Bathing beaches and secondary contact recreation subzones in Hong Kong in 2005 (pdf)

Fish and shellfish culture zones and marine conservation sites in Hong Kong in 2005 (pdf)

Marine disposal, public filling areas, and major reclamation sites in Hong Kong in 2005 (pdf)

Major public sewage treatment works, outfalls, and pollution load in Hong Kong in 2005 (pdf)

The four marine water bodies in Hong Kong - Eastern, Southern, Central and Western (pdf)

Summary of the Water Quality Objectives for the marine waters of Hong Kong (pdf)

Sediment Quality Criteria for the classification of Sediments (pdf)

Summary of marine water quality parameters (pdf)

Summary of marine sediment parameters (pdf)

 

 

B. Summary of water quality monitoring data for the marine stations in the 10 WCZs in 2005
 

Summary of water quality statistics for the Mirs Bay WCZ in 2005 (pdf)

Summary of water quality statistics for the Port Shelter WCZ in 2005 (pdf)

Summary of water quality statistics for the Tolo Harbour and Channel WCZ in 2005 (pdf)

Summary of water quality statistics for the Southern WCZ in 2005 (pdf)

Summary of water quality statistics for the Victoria Harbour WCZ in 2005 (pdf)

Summary of water quality statistics for the Eastern Buffer WCZ in 2005 (pdf)

Summary of water quality statistics for the Western Buffer WCZ in 2005 (pdf)

Summary of water quality statistics for the Junk Bay WCZ in 2005 (pdf)

Summary of water quality statistics for the Deep Bay WCZ in 2005 (pdf)

Summary of water quality statistics for the North Western WCZ in 2005 (pdf)

 

 

 

 

C. Summary of water quality monitoring data for the marine stations in the 10 WCZs in 2005
 

Levels of compliance with key Water Quality Objectives in the Mirs Bay WCZ (pdf)

Levels of compliance with key Water Quality Objectives in the Port Shelter WCZ (pdf)

Levels of compliance with key Water Quality Objectives in the Tolo Harbour and Channel WCZ (pdf)

Levels of compliance with key Water Quality Objectives in the Southern WCZ (pdf)

Levels of compliance with key Water Quality Objectives in the Victoria Harbour WCZ (pdf)

Levels of compliance with key Water Quality Objectives in the Eastern Buffer WCZ (pdf)

Levels of compliance with key Water Quality Objectives in the Western Buffer WCZ (pdf)

Levels of compliance with key Water Quality Objectives in the Junk Bay WCZ (pdf)

Levels of compliance with key Water Quality Objectives in the Deep Bay WCZ (pdf)

Levels of compliance with key Water Quality Objectives in the North Western WCZ (pdf)

 

 

 

 

D. Water quality trends for marine stations in the 10 WCZs (1986-2005)
 

Results of the Seasonal Kendall Test for water quality trends in the Mirs Bay WCZ, 1986 - 2005 (pdf)

Results of the Seasonal Kendall Test for water quality trends in the Port Shelter WCZ, 1986 - 2005 (pdf)

Results of the Seasonal Kendall Test for water quality trends in the Tolo Harbour and Channel WCZ, 1986 - 2005 (pdf)

Results of the Seasonal Kendall Test for water quality trends in the Southern WCZ, 1986 - 2005 (pdf)

Results of the Seasonal Kendall Test for water quality trends in the Victoria Harbour WCZ, 1986 - 2005 (pdf)

Results of the Seasonal Kendall Test for water quality trends in the Eastern Buffer WCZ, 1986 - 2005 (pdf)

Results of the Seasonal Kendall Test for water quality trends in the Western Buffer WCZ, 1986 - 2005 (pdf)

Results of the Seasonal Kendall Test for water quality trends in the Junk Bay WCZ, 1986 - 2005 (pdf)

Results of the Seasonal Kendall Test for water quality trends in the Deep Bay WCZ, 1986 - 2005 (pdf)

Results of the Seasonal Kendall Test for water quality trends in the North Western WCZ, 1986 - 2005 (pdf)

 

 

 

 

E. Summary of marine sediment quality at marine stations in the 10 WCZs in Hong Kong (2001 - 2005)
 

Summary statistics for bottom sediment quality in the Tolo Harbour and Channel and Southern WCZs, 2001 - 2005 (pdf)

Summary statistics for bottom sediment quality in the Southern, Junk Bay and Deep Bay WCZs, 2001 - 2005 (pdf)

Summary statistics for bottom sediment quality in the Port Shelter and Mirs Bay WCZs, 2001 - 2005 (pdf)

Summary statistics for bottom sediment quality in the Mirs Bay WCZ, 2001 - 2005 (pdf)

Summary statistics for bottom sediment quality in the North Western and Western Buffer WCZs, 2001 - 2005 (pdf)

Summary statistics for bottom sediment quality in the Eastern Buffer and Victoria Harbour WCZs, 2001 - 2005 (pdf)

 

 

 

 

F. Levels of different sediment parameters in sediments in Hong Kong (2001-2005)
 

Particle Size Fractionation < 63 μm in marine sediments in Hong Kong, 2001 - 2005 (pdf) /
Electrochemical potential in marine sediments in Hong Kong, 2001 - 2005 (pdf)

Copper in marine sediments in Hong Kong, 2001 - 2005 (pdf) /
Mercury in marine sediments in Hong Kong, 2001 - 2005 (pdf)

Silver in marine sediments in Hong Kong, 2001 - 2005 (pdf) /
Total polychlorinated biphenyls (PCBs) in marine sediments in Hong Kong, 2002 - 2005 (pdf)

Low molecular weight polycyclic aromatic hydrocarbons (PAHs) in marine sediments in Hong Kong, 2002 - 2005 (pdf) /
High molecular weight polycyclic aromatic hydrocarbons (PAHs) in marine sediments in Hong Kong, 2001 - 2005 (pdf)

 

 

 

 

G. Water and Sediment quality in typhoon shelters in Hong Kong in 2005
 

Water quality of typhoon shelters in Hong Kong in 2005 (pdf)

Results of the Seasonal Kendall Test for water quality trends in typhoon shelters, 1986 - 2005 (pdf)

Summary of water quality statistics for typhoon shelters in 2005 (pdf)

Summary statistics of bottom sediment quality of typhoon shelters, 2001 - 2005 (pdf)

Cadmium in typhoon shelter sediments in Hong Kong, 2001 - 2005 (pdf) /
Chromium in typhoon shelter sediments in Hong Kong, 2001 - 2005 (pdf)

Copper in typhoon shelter sediments in Hong Kong, 2001 - 2005 (pdf) /
Mercury in typhoon shelter sediments in Hong Kong, 2001 - 2005 (pdf)

Nickel in typhoon shelter sediments in Hong Kong, 2001 - 2005 (pdf) /
Lead in typhoon shelter sediments in Hong Kong, 2001 - 2005 (pdf)

Silver in typhoon shelter sediments in Hong Kong, 2001 - 2005 (pdf) /
Zinc in typhoon shelter sediments in Hong Kong, 2001 - 2005 (pdf)

Arsenic in typhoon shelter sediments in Hong Kong, 2001 - 2005 (pdf) /
Total polychlorinated biphenyls (PCBs) in typhoon shelter sediments in Hong Kong, 2002 - 2005 (pdf)

Low molecular weight polycyclic aromatic hydrocarbons (PAHs) in typhoon shelter sediments in Hong Kong, 2002 - 2005 (pdf) /
High molecular weight polycyclic aromatic hydrocarbons (PAHs) in typhoon shelter sediments in Hong Kong, 2001 - 2005 (pdf)

Electrochemical potential in typhoon shelter sediments in Hong Kong, 2001 - 2005 (pdf)

 

 

 

 

H. Phytoplankton monitoring
 

Phytoplankton monitoring stations in Hong Kong waters in 2005 (pdf)

Annual mean densities of total phytoplankton in the nine Water Control Zones (WCZs), 1991 - 2005 (pdf)

Frequency of red tides in 10 Water Control Zones in Hong Kong, 1980 - 2005 (pdf)

Occurrence of red tides in Hong Kong waters, 1980 - 2005 (pdf)

Seasonal occurrence of red tides caused by different phytoplankton groups in Hong Kong, 1980 - 2005 (pdf)

Percentage contribution (%) of phytoplankton groups to the total number of species and total density in nine Water Control Zones (WCZs) of Hong Kong (1991 - 2005) (pdf)

Occurrence and distribution of red tide species in different Water Control Zones (WCZs), 1980 - 2005 (pdf)

 

 

 

I. Overall
 

Level of compliance with key marine Water Quality Objectives for 10 WCZs in Hong Kong, 1986 - 2005 (pdf)

Level of compliance with key marine Water Quality Objectives in Hong Kong, 1986 - 2005 (pdf) /
Overall level of compliance with key marine Water Quality Objectives in Hong Kong, 1986 - 2005 (pdf)

Long-term changes in dissolved oxygen in marine waters of Hong Kong, 1986 - 2005 (pdf)

Long-term changes in 5-day Biochemical Oxygen Demand in marine waters of Hong Kong, 1986 - 2005 (pdf)

Long-term changes in E.coli in marine waters of Hong Kong, 1986 - 2005 (pdf)

Long-term changes in ammonia nitrogen in marine waters of Hong Kong, 1986 - 2005 (pdf)

Long-term changes in nitrate nitrogen in marine waters of Hong Kong, 1986 - 2005 (pdf)

Long-term changes in total inorganic nitrogen in marine waters of Hong Kong, 1986 - 2005 (pdf)

Long-term changes in orthophosphate phosphorus in marine waters of Hong Kong, 1986 - 2005 (pdf)

Long-term changes in chlorophyll-a in marine waters of Hong Kong, 1986 - 2005 (pdf)

Long-term changes in temperature in marine waters of Hong Kong, 1986 - 2005 (pdf)

Long-term changes in pH in marine waters of Hong Kong, 1986 - 2005 (pdf)

 



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